plastic audio horn for iphone 4, it's new developed.

AUDIO AMPLIFIER

new developed audio amplifier for iphone .

no wire,amplify the sound without electricity supply.PortableAmplify audio to 100db(amount to 4W) without comsuption of iphone’s batteryMechanic way of amplifying audioPropping stander of iphone, can be sit vertically or horizontally.Recharging iphone through the stander

brand new for iphone Horn stands with colorful available